Pure stainless steel mechanical rational structure enable for using more than 10 years.
No longer install the electrical machinery into the martice, which facilitated the maintenance work.
It is very easy to change batteries in the lock, just need several minutes on one Lock.
Use 9V extra power when lower which is safe and convenient.
Using 4x1.5V standard alkaline batteries.
If the fingerprint is not input correctly. The handle is free handle, it can provide the door from opening by fore and prolong the using of the mechanism of the Lock.
If input wrong passwords for 3 times continuously, it will stop for 10 seconds automatically
Finger -print User capacity 300.
Can delete the user individually who were fired. But there is no effect for the other people to use.
